From: Dual-based bounds for resource allocation in zero-forcing beamforming OFDMA-SDMA systems
Method | Minimum rate (bps/Hz) | ||
---|---|---|---|
13.33 | 16.66 | 20 | |
Dual-based upper bound (bps/Hz) | 49.13 | 47.12 | 40.8 |
Primal enum. gap (%) | 0.57 | 0.55 | 0.10 |
Dual-based feas. gap (%) | 0.57 | 0.59 | 0.04 |
Weight mod. gap (%) | 0.68 | 0.71 | 0.15 |